package demo_0428;

import javax.swing.*;

public class HelloGUI extends JFrame {
    public HelloGUI() {
        setSize(800,800);
        setLocation(200,200);
        setTitle("我的GUI");
    }
    public static void main(String[] args) {
        HelloGUI frame = new HelloGUI();
        frame.setVisible(true);
    }
}
